« previous next »
« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Cougar conservation depends on preservation of their habitat. Cougar conservation depends on preservation of their habitat.
Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut Blood-typing and cross-reactions: The blood type depends on the presence of surface antigens (agglut
Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ... Blood typing and cross-reactions. The blood type depends on the presence of surface antigens ...
How much the temperature will rise depends on many factors that affect the level of GHG emission How much the temperature will rise depends on many factors that affect the level of GHG emission
The body’s survival depends on mechanisms that maintain internal homeostasis The body’s survival depends on mechanisms that maintain internal homeostasis
The profit, p(t), made at a fair depends on the price of the ticket, t. The profit is modelled ... The profit, p(t), made at a fair depends on the price of the ticket, t. The profit is modelled ...
Video: Simple and Double Sugar

For a complete list of videos, visit our video library